Sergei Kvasov

Sergei Kvasov

iPhone, iPad, iOS, Mobile Senior Developer

Minsk, Belarus



What's the difference

Hello, my name is Sergei. I am an iOS developer.

I have a good knowledge of:
- Objective C, xCode, Cocoa, strong base in OOP
- Mobile UI/UX
- Mobile security and QA
- Agile development
- Domains: business apps, social networks, location services, full cycle development from scratch

I'm always aimed at solving your problems and achieving results.

Fluent written and verbal english skills.

Best regards, Sergei.

Work History & Feedback

Publish iPhone App

14 hrs @ $16.67/hr
Earned $337
“Thank you so much! Appreciate the extra effort to help me work through complications in the project as they came up. Highly skilled, very professional, absolutely recommended!”


Iphone/Android for 35 Questionnaire

11 hrs @ $11.11/hr
Earned $126
“Absolutely outstanding resource. Very professional, extremely knowledge and very helpful. Sergei and his team have cemented our relationship, and we will continue to use him for future app projects.”


iPhone app: scan VIN barcode + display data from our API

Fixed Price $111
“Extremely professional and skilled phone developer. Fantastic UI and willing to work through each concern. Highly recommended!”


Project Cleanup - iPad App

Fixed Price $167
“Sergei was fantastic to work with; the quality of the app created was excellent. I would definitely hire him again, and I definitely recommend him to anyone else looking for a qualified developer (:”


iOS developer for Internet Of Things project

3 hrs @ $27.78/hr
Earned $83
No feedback given


Tests Taken
Name Percentile Score

Adobe Flex 3.0 Test


iOS Programming Test


iPhone Programming OS 4.0 Test


oDesk Readiness Test for Independent Contractors and Staffing Managers